Drainage (Function Value): Difference between revisions
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| notes=* A negative value means passive drainage, fixing the groundwater level to the surface water level. A positive value means active drainage, keeping the ground water level at a specific height. | | notes=* A negative value means passive drainage, fixing the groundwater level to the surface water level. A positive value means active drainage, keeping the ground water level at a specific height. | ||
* Although the effect of drainage to [[ | * Although the effect of drainage to [[Subsidence (Overlay)|subsidence]] are via an intermediate effect on groundwater, this value is '''not''' used for the [[Water_Overlay|Water Overlay]]. To model drainage in the [[Water_Overlay|Water Overlay]], use an [[Aquifer (Water Overlay)|Aquifer]] instead. | ||
| references= | | references= | ||
}} | }} | ||
Revision as of 10:35, 10 June 2020
Template:Function values table start Template:Function value Template:Table end
Values
- The default values for this Function Value are configured for specific constructions which represent drainage. The specific values are determined in cooperation with the export party who commissioned the Subsidence Overlay.
- The default values are not overwritten during the creation of a new project.
Used for
Notes
- A negative value means passive drainage, fixing the groundwater level to the surface water level. A positive value means active drainage, keeping the ground water level at a specific height.
- Although the effect of drainage to subsidence are via an intermediate effect on groundwater, this value is not used for the Water Overlay. To model drainage in the Water Overlay, use an Aquifer instead.